BLUEPRINT The Leading Provider of Higher Education Course Materials Digital Learning & Online Textbooks – CengageMissing: weldersSince technical drawings are made of lines, it is logical that the first step in learning to “read” a drawing is to learn the meaning of each kind of line. Each kind of line has a definite form and “weight”. Nearly half of U.S. industries report difficulties locating skilled welders. The book will be used in the first term of a two year welding program to familiarize